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Struct sc_consensus_manual_seal::consensus::timestamp::SlotTimestampProvider

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pub struct SlotTimestampProvider { /* private fields */ }
Expand description

Provide duration since unix epoch in millisecond for timestamp inherent. Mocks the timestamp inherent to always produce a valid timestamp for the next slot.

This works by either fetching the slot_number from the most recent header and dividing that value by slot_duration in order to fork chains that expect this inherent.

It produces timestamp inherents that are increased by slot_duration whenever provide_inherent_data is called.

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impl SlotTimestampProvider

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pub fn new_babe<B, C>(client: Arc<C>) -> Result<Self, Error>
where B: BlockT, C: AuxStore + HeaderBackend<B> + ProvideRuntimeApi<B> + UsageProvider<B>, C::Api: BabeApi<B>,

Create a new mocked time stamp provider, for babe.

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pub fn new_aura<B, C>(client: Arc<C>) -> Result<Self, Error>
where B: BlockT, C: AuxStore + HeaderBackend<B> + ProvideRuntimeApi<B> + UsageProvider<B>, C::Api: AuraApi<B, AuthorityId>,

Create a new mocked time stamp provider, for aura

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pub fn slot(&self) -> Slot

Get the current slot number

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pub fn timestamp(&self) -> Timestamp

Gets the current time stamp.

Trait Implementations§

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impl InherentDataProvider for SlotTimestampProvider

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fn provide_inherent_data<'life0, 'life1, 'async_trait>( &'life0 self, inherent_data: &'life1 mut InherentData, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Provide inherent data that should be included in a block. Read more
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fn try_handle_error<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, _: &'life1 InherentIdentifier, _: &'life2 [u8], ) -> Pin<Box<dyn Future<Output = Option<Result<(), Error>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Convert the given encoded error to a string. Read more
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fn create_inherent_data<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<InherentData, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Convenience function for creating [InherentData]. Read more

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